/*
 *
 * Paros and its related class files.
 *
 * Paros is an HTTP/HTTPS proxy for assessing web application security.
 * Copyright (C) 2003-2004 Chinotec Technologies Company
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the Clarified Artistic License
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * Clarified Artistic License for more details.
 *
 * You should have received a copy of the Clarified Artistic License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
// ZAP: 2012/04/25 Added @Override annotation to all appropriate methods.
// ZAP: 2013/01/25 Removed the "(non-Javadoc)" comments.
// ZAP: 2013/03/03 Issue 546: Remove all template Javadoc comments
// ZAP: 2017/12/28 Add deprecated annotation and JavaDoc tag.
// ZAP: 2019/06/01 Normalise line endings.
// ZAP: 2019/06/05 Normalise format/style.
package org.parosproxy.paros.extension.filter;

import org.parosproxy.paros.Constant;
import org.parosproxy.paros.network.HttpHeader;
import org.parosproxy.paros.network.HttpMessage;
import org.parosproxy.paros.network.HttpRequestHeader;

/** @deprecated (2.8.0) Filters were superseded by scripts and Replacer add-on. */
@Deprecated
public class FilterIfModifiedSince extends FilterAdaptor {

    @Override
    public int getId() {
        return 10;
    }

    @Override
    public String getName() {
        return Constant.messages.getString("filter.nocache.name");
    }

    @Override
    public void onHttpRequestSend(HttpMessage httpMessage) {
        HttpRequestHeader reqHeader = httpMessage.getRequestHeader();
        if (!reqHeader.isEmpty() && reqHeader.isText()) {
            String ifModifed = reqHeader.getHeader(HttpHeader.IF_MODIFIED_SINCE);
            if (ifModifed != null) {
                reqHeader.setHeader(HttpHeader.IF_MODIFIED_SINCE, null);
            }
            String ifNoneMatch = reqHeader.getHeader(HttpHeader.IF_NONE_MATCH);
            if (ifNoneMatch != null) {
                reqHeader.setHeader(HttpHeader.IF_NONE_MATCH, null);
            }
        }
    }

    @Override
    public void onHttpResponseReceive(HttpMessage httpMessage) {}
}
